Ballpoint pen



FIG. 1 is a front plan view of the new ornamental ballpoint pen of thepresent invention.

FIG. 2 is a right side view thereof.

FIG. 3 is a rear plan view thereof.

FIG. 4 is a left side view thereof.

FIG. 5 is a front right perspective view thereof.

FIG. 6 is a plan view of the bottom or writing end thereof; and,

FIG. 7 is a plan view of the top end thereof.

I claim the ornamental design for the ballpoint pen, as shown anddescribed.